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Full-Text Articles in Life Sciences

Combating Obesity Through Gut Microbiome Targeted Bacteriophage Therapy, Gongze Zhao, Dr. Laura Bridgewater Jun 2019

Combating Obesity Through Gut Microbiome Targeted Bacteriophage Therapy, Gongze Zhao, Dr. Laura Bridgewater

Journal of Undergraduate Research

The human gut consists of approximately 1.5 kg of bacteria, and 50% of the biomass in our fecal matter is bacterial cells (Nicholson, 2005). Diet is a major factor in shaping the composition of the gut microbiota, (Zhang, 2010) which in turn influences the body by producing metabolites that enter the circulation through different pathways. In 2013, by using Koch’s postulates, scientists were able to demonstrate that the gram-negative opportunistic pathogen E. cloacae B29 can cause obesity and chronic inflammation in its host (Fei & Zhao, 2013). Bacteriophage (phage) are viruses that infect bacteria. Phages bind to their bacterial host …


Combating Obesity Through Gut Microbiome Targeted Bacteriophage Therapy, Jeffrey Gongze Zhao, Laura C. Bridgewater Mar 2017

Combating Obesity Through Gut Microbiome Targeted Bacteriophage Therapy, Jeffrey Gongze Zhao, Laura C. Bridgewater

Library/Life Sciences Undergraduate Poster Competition 2017

Obesity has become a serious health issue in the world (Ogden 2012), and its correlation to the human gut microbiota has been studied extensively since 2007 (Cani 2007). In 2013, researchers identified Enterobacter cloacae B29 from an obese patient’s gut and demonstrated its causal relationship to the host’s obese symptoms( Fei & Zhao 2013). However, there have not been many methods developed to alleviate obesity symptoms through eliminating pathogenic endotoxin-producing bacteria (such as E. cloacae B29), from the host’s gut flora. In this research, I propose a new strategy for treating obesity by using gut microbiome targeted bacteriophage therapy. …